Social Studies, 17.12.2020 14:00 travyse

A crane lifts a box from a ship onto the ground. The crane gets its energy from fuel that is brunt in the crane’s engine contain 20.000 J. During the lifting, , 1,000 J of energy is wasted

as sound energy and 1,500 J of energy is wasted as heat energy. How much energy used

for lifting?

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A crane lifts a box from a ship onto the ground. The crane gets its energy from fuel that is brunt...

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